Try to sing some English songs you’ll find it interesting a foreign language. A. learnin

问题补充：

Try to sing some English songs, you’ll find it interesting a foreign language.

A. learning

B. learns

C. learn

D. to learn

答案：

A. learning

B. learns

C. learn

(答案→)D. to learn

解析：本题考查“find + it + adj. + to do sth.”的用法。find + it + adj. + to do sth.意为“发现做某事是……”故选D。